3 Utility Patents
#150 in Narashino
#236,990 in Japan
Forward Citations = 57
Company Filing History:
Sumitomo Cement Co., Ltd.
Other

4. 1 out of 26
Seiko Electronic Components Ltd.
5. 1 out of 1
Kazunori Kijima Kyoto
where one patent can have more than one assignee
Get your Inventor Badge Today